JAMB Commerce Past Questions & Answers - Page 83

A web browser is a software program that allows a user to locate, access and display web pages which can be in form of texts, images, and videos

HTTP means HyperText Transfer Protocol. HTTP is the underlying protocol used by the World Wide Web and this protocol defines how messages are formatted and transmitted, and what actions Web servers and browsers should take in response to various commands.

An intranet is a private network, operated by a large company or other organisation, which uses internet technologies, but is insulated from the global internet. An extranet is an intranet that is accessible to some people from outside the company, or possibly shared by more than one organisation.

The major difference from an extranet, however, is that an intranet is used internally. While an extranet allows businesses to communicate with clients and vendors, an intranet allows employees and colleagues to work together in a virtual space — no outside parties are involved.

Examples of Operating Systems Some examples include versions of Microsoft Windows (like Windows 10, Windows 8, Windows 7, Windows Vista, and Windows XP), Apple's macOS (formerly OS X), Chrome OS, BlackBerry Tablet OS, and flavors of Linux, an open source operating system.

Computer hardware is the physical parts or components of a computer, such as the monitor, mouse, keyboard, computer data storage, hard disk drive (HDD), graphic cards, sound cards, memory (RAM), motherboard, and so on, all of which are physical objects that are tangible.